RFC: https://bugzilla.tianocore.org/show_bug.cgi?id=3429
In TDX the guest firmware is designed to publish a multiprocessor-wakeup
structure to let the guest-bootstrap processor wake up guest-application
processors with a mailbox. The mailbox is memory that the guest firmware
can reserve so each gu
RFC: https://bugzilla.tianocore.org/show_bug.cgi?id=3429
OvmfPkg/PlatformPei is updated to support Tdx guest. There are below
major changes.
- Set Tdx related PCDs
- Publish Tdx RamRegions
In this patch there is another new function BuildPlatformInfoHob ().
This function builds EFI_HOB_PLATFORM
RFC: https://bugzilla.tianocore.org/show_bug.cgi?id=3429
There are below changes in PlatformInitLib for Tdx guest:
1. Publish ram regions
In Tdx guest, the system memory is passed in TdHob by host VMM. So
the major task of PlatformTdxPublishRamRegions is to walk thru the
TdHob list and transfer t
RFC: https://bugzilla.tianocore.org/show_bug.cgi?id=3429
MMIO region in Tdx guest is set with PcdTdxSharedBitMask in TdxDxe's
entry point. In SEV guest the page table entries is set with
PcdPteMemoryEncryptionAddressOrMask when creating 1:1 identity table.
So the AddressEncMask in GetPageTableEnt
RFC: https://bugzilla.tianocore.org/show_bug.cgi?id=3429
Guest Physical Address (GPA) space in Td guest is divided into private
and shared sub-spaces, determined by the SHARED bit of GPA. This PCD
holds the shared bit mask. Its default value is 0 and it will be set
in PlatformPei driver if it is o
RFC: https://bugzilla.tianocore.org/show_bug.cgi?id=3429
If IA32_ERER.NXE has already been set, skip setting it again.
Cc: Jian J Wang
Cc: Hao A Wu
Cc: Brijesh Singh
Cc: Erdem Aktas
Cc: James Bottomley
Cc: Jiewen Yao
Cc: Tom Lendacky
Cc: Gerd Hoffmann
Acked-by: Gerd Hoffmann
Signed-off-b
RFC： https://bugzilla.tianocore.org/show_bug.cgi?id=3429
If TDX is enabled then we do not support DMA operation in PEI phase.
This is mainly because DMA in TDX guest requires using bounce buffer
(which need to allocate dynamic memory and allocating a PAGE size'd
buffer can be challenge in PEI phas
RFC: https://bugzilla.tianocore.org/show_bug.cgi?id=3429
There are below major changes in this commit.
1. SecEntry.nasm
In TDX BSP and APs goes to the same entry point in SecEntry.nasm.
BSP initialize the temporary stack and then jumps to SecMain, just as
legacy Ovmf does.
APs spin in a modifie
RFC: https://bugzilla.tianocore.org/show_bug.cgi?id=3429
Declare the local variables in SecCoreStartupWithStack that actually
move the data elements as volatile to prevent the optimizer from
replacing this function with the intrinsic memcpy().
Cc: Ard Biesheuvel
Cc: Jordan Justen
Cc: Brijesh Si
RFC: https://bugzilla.tianocore.org/show_bug.cgi?id=3429
When host VMM create the Td guest, the system memory informations are
stored in TdHob, which is a memory region described in Tdx metadata.
The system memory region in TdHob should be accepted before it can be
accessed. So the newly added fun
RFC: https://bugzilla.tianocore.org/show_bug.cgi?id=3429
Add EFI_RESOURCE_MEMORY_UNACCEPTED definition in PiHob.h. This definition
is for the unaccepted memory passed from Host VMM.
This is proposed in https://github.com/microsoft/mu_basecore/pull/66/
files#diff-b20a11152d1ce9249c691be5690b4baf52
BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=3863
Move functions in PlatformPei/Platform.c to PlatformInitLib/Platform.c.
Cc: Ard Biesheuvel
Cc: Jordan Justen
Cc: Brijesh Singh
Cc: Erdem Aktas
Cc: James Bottomley
Cc: Jiewen Yao
Cc: Tom Lendacky
Cc: Gerd Hoffmann
Cc: Sebastien Boeuf
BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=3863
Move functions in PlatformPei\MemDetect.c to PlatformInitLib\MemDetect.c.
Cc: Ard Biesheuvel
Cc: Jordan Justen
Cc: Brijesh Singh
Cc: Erdem Aktas
Cc: James Bottomley
Cc: Jiewen Yao
Cc: Tom Lendacky
Cc: Gerd Hoffmann
Cc: Sebastien Boeu
BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=3863
MiscInitialization is split into 2 functions:
- PlatformMiscInitialization is for PlatformInitLib.
- MiscInitialization calls PlatformMiscInitialization and then sets
PCD. It is for PlatformPei.
Cc: Ard Biesheuvel
Cc: Jordan Justen
Cc
BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=3863
NoexecDxeInitialization is split into 2 functions:
- PlatformNoexecDxeInitialization is for PlatformInitLib
- NoexecDxeInitialization calls PlatformNoexecDxeInitialization and
then sets PCD.
Cc: Ard Biesheuvel
Cc: Jordan Justen
Cc: Br
BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=3863
MemMapInitialization is split into 2 functions:
- PlatformMemMapInitialization is for PlatformInfoLib
- MemMapInitialization calls PlatformMemMapInitialization and then
sets PCDs. It is for PlatformPei.
Cc: Ard Biesheuvel
Cc: Jordan Ju
BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=3863
Rename QemuUc32BaseInitialization to PlatformQemuUc32BaseInitialization.
This function is for PlatformInitLib.
Cc: Ard Biesheuvel
Cc: Jordan Justen
Cc: Brijesh Singh
Cc: Erdem Aktas
Cc: James Bottomley
Cc: Jiewen Yao
Cc: Tom Lendacky
BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=3863
MaxCpuCountInitialization is splitted into two:
- PlatformMaxCpuCountInitialization is for PlatformInitLib
- MaxCpuCountInitialization is for PlatformPei. It calls
PlatformMaxCpuCountInitialization then sets PCDs.
Cc: Ard Biesheuvel
Cc
BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=3863
>From this patch we start to restruct the functions which set PCDs into
two, one for PlatformInitLib, one for PlatformPei.
AddressWidthInitialization is the first one. It is splitted into two:
- PlatformAddressWidthInitialization is for Pla
BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=3863
Refactor MiscInitialization for CloudHV to set PCD as other platforms
do. Because in the following patch we will split the functions which
set PCDs into two, one for PlatformInitLib, one for PlatformPei.
Cc: Ard Biesheuvel
Cc: Jordan Justen
BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=3863
In MiscInitialization Microvm looks a little weird. Other platforms
call PcdSet16S to set the PcdOvmfHostBridgePciDevId with the value same
as PlatformInfoHob->HostBridgeDevId. But Microvm doesn't follow this
way. In switch-case 0x is Mic
BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=3863
The intention of PlatformInitLib is to extract the common function used
in OvmfPkg/PlatformPei. This lib will be used not only in PEI phase but
also in SEC phase. SEC phase cannot use global variables between
different functions. So PlatformI
BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=3863
In this patch of PlatformInitLib, below hob functions are introduced:
- PlatformAddIoMemoryBaseSizeHob
- PlatformAddIoMemoryRangeHob
- PlatformAddMemoryBaseSizeHob
- PlatformAddMemoryRangeHob
- PlatformAddReservedMemoryBaseSizeHob
They
BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=3863
There are 3 variants of PlatformPei in OvmfPkg:
- OvmfPkg/PlatformPei
- OvmfPkg/XenPlatformPei
- OvmfPkg/Bhyve/PlatformPei/PlatformPei.inf
These PlatformPeis can share many common codes, such as
Cmos / Hob / Memory / Platform related funct
RFC: https://bugzilla.tianocore.org/show_bug.cgi?id=3429
In Tdx BSP may issues commands to APs for some task, for example, to
accept pages paralelly. BSP also need to wait until all the APs have
done the task. TdxMailboxLib wraps these common funtions for BSP.
Cc: Ard Biesheuvel
Cc: Jordan Juste
RFC: https://bugzilla.tianocore.org/show_bug.cgi?id=3429
IntelTdx.h defines the defition used by TDX in OvmfPkg:
- Mailbox related defitions,such as the data structure, command code,
AP relocation defitions.
See Table 5.44 Multiprocessor Wakeup Mailbox Structure in below link.
https://uefi.or
RFC: https://bugzilla.tianocore.org/show_bug.cgi?id=3429
In TDVF BSP and APs are simplified. BSP is the vCPU-0, while the others
are treated as APs.
So MP intialization is rather simple. The processor info is retrieved by
TDCALL, ApWorker is not supported, BSP is always the working processor,
whi
RFC: https://bugzilla.tianocore.org/show_bug.cgi?id=3429
Add macros CC_GUEST_IS_SEV / CC_GUEST_IS_TDX to check SEV / TDX guest.
Cc: Michael Roth
Cc: Ray Ni
Cc: Rahul Kumar
Cc: Eric Dong
Cc: James Bottomley
Cc: Min Xu
Cc: Jiewen Yao
Cc: Tom Lendacky
Cc: Jordan Justen
Cc: Ard Biesheuvel
C
RFC: https://bugzilla.tianocore.org/show_bug.cgi?id=3429
MSR is accessed in BaseXApicX2ApicLib. In TDX some MSRs are accessed
directly from/to CPU. Some should be accessed via explicit requests
from the host VMM using TDCALL(TDG.VP.VMCALL). This is done by the
help of TdxLib.
Please refer to [TDX
RFC: https://bugzilla.tianocore.org/show_bug.cgi?id=3429
This commit supports IoRead/IoWrite for SEV/TDX/Legacy guest in one
binary. It checks the guest type in runtime and then call corresponding
functions.
Cc: Michael D Kinney
Cc: Liming Gao
Cc: Zhiguang Liu
Cc: Brijesh Singh
Cc: Erdem Akta
RFC: https://bugzilla.tianocore.org/show_bug.cgi?id=3429
Previously IoFifo functions are in X64/IoFifoSev.nasm which supports
both SEV guest and Legacy guest. IoLibFifo.c is introduced to support
SEV/TDX/Legacy guest in one binary. It checks the guest type in runtime
and call corresponding functio
RFC: https://bugzilla.tianocore.org/show_bug.cgi?id=3429
TDVF access MMIO with TDG.VP.VMCALL to invoke VMM provided emulation
functions. If the access to MMIO fails, it fall backs to the direct
access.
BaseIoLibIntrinsic.inf is the IoLib used by other packages. It will
not support I/O in Td guest
RFC: https://bugzilla.tianocore.org/show_bug.cgi?id=3429
Intel TDX architecture does not prescribe a specific software convention
to perform I/O from the guest TD. Guest TD providers have many choices to
provide I/O to the guest. The common I/O models are emulated devices,
para-virtualized devices
RFC: https://bugzilla.tianocore.org/show_bug.cgi?id=3429
Add base support to handle #VE exceptions. Update the common exception
handlers to invoke the VmTdExitHandleVe () function of the VmgExitLib
library when a #VE is encountered. A non-zero return code will propagate
to the targeted exception h
RFC： https://bugzilla.tianocore.org/show_bug.cgi?id=3429
The base VmgExitLib library provides a default limited interface to
handle #VE exception. To provide full support, the OVMF version of
VmgExitLib is extended to provide full support of #VE handler.
Cc: Ard Biesheuvel
Cc: Jiewen Yao
Cc: Jo
RFC： https://bugzilla.tianocore.org/show_bug.cgi?id=3429
VmgExitLib performs the necessary processing to handle a #VC exception.
VmgExitLibNull is a NULL instance of VmgExitLib which provides a
default limited interface. In this commit VmgExitLibNull is extended to
handle a #VE exception with a de
RFC: https://bugzilla.tianocore.org/show_bug.cgi?id=3429
TdxLib is created with functions to perform the related Tdx operation.
This includes functions for:
- TdAcceptPages : Accept pending private pages and initialize the pages
to all-0 using the TD ephemeral private key.
RFC: https://bugzilla.tianocore.org/show_bug.cgi?id=3429
Introduce basic Tdx functions in BaseLib:
- TdCall ()
- TdVmCall ()
- TdIsEnabled ()
Cc: Michael D Kinney
Cc: Liming Gao
Cc: Zhiguang Liu
Cc: Brijesh Singh
Cc: Erdem Aktas
Cc: James Bottomley
Cc: Jiewen Yao
Cc: Tom Lendacky
Cc: G
RFC: https://bugzilla.tianocore.org/show_bug.cgi?id=3429
Tdx.h includes the Intel Trust Domain Extension definitions.
Detailed information can be found in below document:
https://software.intel.com/content/dam/develop/external/us/en/
documents/tdx-module-1eas-v0.85.039.pdf
Cc: Michael D Kinney
REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3249
Intel's Trust Domain Extensions (Intel TDX) refers to an Intel technology
that extends Virtual Machines Extensions (VMX) and Multi-Key Total Memory
Encryption (MKTME) with a new kind of virutal machines guest called a
Trust Domain (TD). A T
Use source versions of AcpiTables, AcpiPlatform, and StaticSkuDataDxe.
Cc: Nate DeSimone
Cc: Chasel Chiu
Cc: Manickavasakam Karpagavinayagam
Signed-off-by: Isaac Oram
---
Platform/Intel/WhitleyOpenBoardPkg/JunctionCity/PlatformPkg.fdf | 3 +
Platform/Intel/WhitleyOpenBoardPkg/JunctionCity/b
Pushed as: 3c40bddded..7cd51aa3c1
-Original Message-
From: Desimone, Nathaniel L
Sent: Thursday, March 10, 2022 5:13 PM
To: Oram, Isaac W ; devel@edk2.groups.io
Cc: Chiu, Chasel
Subject: RE: [edk2-devel][edk2-platforms][PATCH V1 0/9] Add Whitley
AcpiPlatform driver
For the series...
REF: https://bugzilla.tianocore.org/show_bug.cgi?id=2008
Correct the logic about whether 5-level paging is supported.
Signed-off-by: Jason Lou
Cc: Ray Ni
Cc: Dandan Bi
Cc: Liming Gao
---
MdeModulePkg/Core/DxeIplPeim/X64/VirtualMemory.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-
Hi Pranav,
Please see my response inline marked [SAMI].
Regards,
Sami Mujawar
On 11/03/2022 06:06 AM, Pranav Madhu wrote:
Hi Sami,
Thanks for your comments. Please find my reply inline.
Regards,
Pranav
-Original Message-
From: Sami Mujawar
Sent: Thursday, March 10, 2022 9:01 PM
From: Guo Dong
On windows build, need add -DPLATFORMX64_ENABLE=TRUE in the build
command line beside -DNETWORK_DRIVER_ENABLE=TRUE in order build
network features. So set PLATFORMX64_ENABLE to TRUE when need build
network feature.
On Linux build, DSC file should not have PcdAllowHttpConnections
wh
Hi Sami,
The patch looks good to me:
Reviewed-by: Pierre Gondois
On 3/10/22 18:39, Sami Mujawar wrote:
According to the Debug Port Table 2 (DBG2) specification,
February 17, 2021, the NamespaceString is a NULL terminated
ASCII string that consists of a fully qualified reference
to the object t
Hi Abner,
Thank you for your reviewing, here is the link to the PR.
https://github.com/tianocore/edk2/pull/2612
Regards
Wenyi
On 2022/3/11 15:03, Chang, Abner (HPS SW/FW Technologist) wrote:
> Hi Wenyi,
> Please add my RB in the commit message and create the PR against edk2, let me
> know the l
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